void Setup(GPUComputeParticleSystem system)
{
var buffer = system.ParticleBuffer;
GPUParticle[] particles = new GPUParticle[buffer.count];
buffer.GetData(particles);
var count = particles.Length;
bounds = new List <CPBound>();
Bintree(Vector3.zero, Vector3.one, depth);
boundsBuffer = new ComputeBuffer(bounds.Count, Marshal.SizeOf(typeof(CPBound_t)));
boundsBuffer.SetData(bounds.Select(b => b.Structure()).ToArray());
boundsReferencesBuffer = new ComputeBuffer(count, Marshal.SizeOf(typeof(int)));
var kernel = shader.FindKernel("Octree");
shader.SetBuffer(kernel, "_Bounds", boundsBuffer);
shader.SetInt("_BoundsCount", bounds.Count);
shader.SetBuffer(kernel, "_BoundsReferences", boundsReferencesBuffer);
Dispatch(kernel, system);
shader.SetBuffer(0, "_BoundsReferences", boundsReferencesBuffer);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
shader.SetFloat("_Time", ticker);
shader.SetFloat("_Scale", scale);
shader.SetFloat("_Intensity", intensity);
base.Dispatch(system);
}
public void Dispatch(GPUComputeParticleSystem system)
{
updaters.ForEach(updater => {
if (updater.gameObject.activeSelf)
{
updater.Dispatch(system);
}
});
}
public void Init(GPUComputeParticleSystem system)
{
updaters.ForEach(updater => {
if (updater.gameObject.activeSelf)
{
updater.Init(system.ParticleBuffer);
}
});
}
public override void Dispatch(GPUComputeParticleSystem system)
{
shader.SetVector("_Force", force);
shader.SetVector("_Seed", seed);
shader.SetFloat("_DT", Time.deltaTime * lifetimeSpeed);
shader.SetVector("_EmissionCenter", emissionArea.center);
shader.SetVector("_EmissionSize", emissionArea.size);
base.Dispatch(system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
if (stateBuffer == null)
{
Init(system.ParticleBuffer);
}
shader.SetFloat("_DT", Time.deltaTime * speed);
shader.SetFloat("_Scale", scale);
base.Dispatch(system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
shader.SetFloat("_T", t);
shader.SetFloat("_Time", ticker);
shader.SetFloat("_DT", Time.deltaTime * 3f);
shader.SetFloat("_Scale", scale);
shader.SetFloat("_Intensity", intensity);
shader.SetFloat("_Power", power);
shader.SetVector("_Seed", seed);
base.Dispatch((int)mode, system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
shader.SetFloat("_Size", size);
shader.SetFloat("_Intensity", intensity);
shader.SetFloat("_Speed", speed);
shader.SetFloat("_R", 1f / system.ParticleBuffer.count);
shader.SetFloat("_Time", ticker);
shader.SetFloat("_DT", Time.deltaTime * speed);
base.Dispatch((int)mode, system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
// shader.SetVector("_GravityDirection", system.transform.TransformDirection(direction));
// Debug.Log(system.transform.TransformDirection(direction));
// shader.SetFloat("_Gravity", gravity);
// shader.SetVector("_GravityDirection", direction);
// shader.SetVector("_GravityDirection", system.transform.TransformDirection(direction));
shader.SetVector("_GravityDirection", system.transform.InverseTransformDirection(direction));
shader.SetFloat("_Gravity", gravity);
base.Dispatch(system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
if (boundsBuffer == null)
{
Setup(system);
}
UpdateBounds();
shader.SetFloat("_T", t);
shader.SetBuffer(dispatchID, "_Bounds", boundsBuffer);
base.Dispatch(system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
if (boundsBuffer == null)
{
Setup(system);
}
UpdateBounds();
shader.SetBuffer(dispatchID, "_Bounds", boundsBuffer);
shader.SetFloat("_T", (mode == ExtrusionMode.Physics || mode == ExtrusionMode.Explosion) ? 1f : t);
base.Dispatch(system);
}
public override void Dispatch(GPUComputeParticleSystem system)
{
if (fromBuffer == null)
{
Init(system.ParticleBuffer);
}
if (fromBuffer != null)
{
shader.SetFloat("_RT", rt);
base.Dispatch(system);
}
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
GPUComputeParticleSystem system = target as GPUComputeParticleSystem;
// system.updaters;
EditorGUILayout.LabelField("updaters");
// EditorGUILayout.BeginHorizontal();
EditorGUI.indentLevel++;
int n = system.updaters.Count;
for (int i = 0; i < n; i++)
{
var updater = system.updaters[i];
if (updater == null)
{
system.updaters.RemoveAt(i);
return;
}
GUILayout.BeginHorizontal();
GUILayout.Label(updater.name);
if (i != 0 && GUILayout.Button("up", GUILayout.Width(50), GUILayout.Height(20)))
{
var tmp = system.updaters[i];
system.updaters[i] = system.updaters[i - 1];
system.updaters[i - 1] = tmp;
break;
}
else if (i != n - 1 && GUILayout.Button("down", GUILayout.Width(50), GUILayout.Height(20)))
{
var tmp = system.updaters[i];
system.updaters[i] = system.updaters[i + 1];
system.updaters[i + 1] = tmp;
break;
}
else if (GUILayout.Button("Remove", GUILayout.Width(50), GUILayout.Height(20)))
{
system.updaters.RemoveAt(i);
break;
}
GUILayout.EndHorizontal();
}
// EditorGUILayout.EndHorizontal();
}
public override void Dispatch(GPUComputeParticleSystem system)
{
CheckInit();
int count = explosions.Count;
if (count > 0)
{
explosionBuffer.SetData(explosions.ToArray());
shader.SetBuffer(0, "_Explosions", explosionBuffer);
shader.SetInt("_ExplosionsCount", count);
base.Dispatch(system);
explosions.Clear();
}
}
protected void Dispatch(int id, GPUComputeParticleSystem system)
{
shader.SetBuffer(id, _BufferKey, system.ParticleBuffer);
shader.Dispatch(id, system.ParticleBuffer.count / _Thread + 1, 1, 1);
}
public virtual void Dispatch(GPUComputeParticleSystem system)
{
Dispatch(dispatchID, system);
}